NC0021504_Pretreatment_Annual_Report_20210301

NC
Pretreatment Annual Report
2020
Town of Biscoe, NC
NC0021504

TOWN OF BISCOE, NC
INCORPORATED 1901
March 1, 2021
Mr. Michael Montebello
NCDEQ/DWR/Municipal Unit
1617 Mail Service Centel
Raleigh, NC 27699-1617
RE: 2020 Town of Biscoe Pretreatment Annual Report, NC0021504
Dear Mr. Montebello:
Pretreatment Program
Enclosed, please find the 2020 Pretreatment Annual Report for the Town of Biscoe, NC0021504.
I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system, or those persons directly responsible for gathering the information,
the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility
of fines and imprisonment for knowing violations.
Should you have any questions or require additional information, please do not hesitate to contact
me at the phone number or email listed below. Thank you for your assistance, and I await your
comments.
Regards,
R �a
Sammy R. Stewart
Superintendent of Public Works
Town of Biscoe
[phone]
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] I FAX [phone]
W W W.TO W NOFBISCO E. COM

TOWN OF BISCOE
Pretreatment Annual Report
2020
I. NARRATIVE
II. PRETREATMENT PERFORMANCE SUMMARY (PPS)
III. SIGNIFICANT NON-COMPLIANCE REPORT (SNCR) AND STATE DATABASE
INFO SHEET
IV. INDUSTRIAL DATA SUMMARY FORMS (IDSF)
A. CAROLINA DAIRY; SIU PERMIT 001
B. AAM CASTINGS; SIU PERMIT 002
V. TOWN OF BISCOE WWTP ALLOCATION TABLE
A. AT UPDATED 12/20/20 WITH CURRENT LIMITS
B. AT UPDATED 12/20/20 WITH POTENTIAL LIMITS FOR CIU
VI. SIU EFFLUENT LIMITS AND MONITORING REQUIREMENTS
A. CAROLINA DAIRY; SIU PERMIT 001
B. AAM CASTINGS; SIU PERMIT 002
APPENDIX A: APPENDIX A — CAROLINA DIARY NOVs AND COMPLIANCE
SCHEDULE
APPENDIX B — ADDITIONAL SILVER MONITORING BY POTW

NC
I: Narrative

V'�
TOWN OF BISCOE
NPDES# NC0021504
2020 Pretreatment Annual Report Narrative
GENERAL INFORMATION:
A. General Program Information:
1. Program Updates
• The Town's NPDES discharge permit expired in June of 2019. The
Town has received a draft permit and a request for more information
from the Municipal Unit. The information has been provided.
• An updated Enforcement Response Plan was prepared for the Town
and submitted to NCDEQ. The revision was approved by the Municipal
Unit on August 11, 2020.
• An updated Short Term Monitoring Plan was prepared for the Town
and submitted to NCDEQ on September 27, 2019, with additional
revisions submitted January 15th, 2020. The plan was approved by the
Municipal Unit on February 14th, 2020.
• The POTW conducted additional monitoring for effluent silver at a
0.0005 mg/L detection level as suggested by the Municipal Unit.
• The pretreatment program has requested the Town publish the SNC
announcement in the local newspaper. We are requesting an extension
to submit the affidavit of publication. The Town offices closed due to
COVID-19 for several weeks and will reopen on March 1st
2. Pretreatment Program Information Sheet.
• A pretreatment program sheet was provided by PERCS and it can be
found following this narrative. All items on the program sheet are
correct.
B. Industrial Users and Compliance Information.
1. Carolina Diary (IUP # 0001)
• This SIU performed all sampling and reporting as required, and was
inspected once and sampled twice by the POTW.
• The industry was issued 8 NOVs and 5 fines totaling $2650.00 during
2020.
• This SIU has had difficulty complying with its permit limits historically
and began upgrades to their pretreatment system in 2019. By mid-
2019, the industry was online with oxidation, ozonation, and MBBR
Town of Biscoe PAR Narrative 2019

pretreatment. To spite this, the BOD and TSS values could not be
maintained consistently. The industry continued to violate BOD permit
limits and periodically its TSS limits. The industry was in SNC for the
first half of 2020 for BOD. After consulting with the Fayetteville
Regional Office, the Town placed the industry on a compliance
schedule in June of 2020. A copy of the compliance scheduled is
included in this report as Attachment A.
• The industry consulted with ProChem during the term of the
compliance schedule. Multiple issues with the pretreatment system
were identified and addressed, including adding different polymers and
coagulants to control the TSS, addition of more bacteria,
micronutrients and supplemental nitrogen to the MBBR, moving the pH
adjustment from the frac tank to the head of the DAF unit, and
upgrading undersized pumps and valves.
• At the industry's request, the compliance schedule was extended until
March 15th of 2021, as the industry needed additional time to
complete all of the pump and valve upgrades.
• The BOD and TSS values for the industry have shown significant
improvement after September of 2020.
2. Grede II, AAM Castings (IUP # 0002)
• This CIU was inspected once and sampled twice by the Town.
• The industry conducted all sampling as required under their IUP.
• Due to an apparent overallocation on silver in the Town's approved
headworks analysis, the Town was uncertain as how to proceed on
numeric limits for this IUP. The Fayetteville Regional Office was
consulted. It was suggested that the POTW conduct additional
monitoring for silver at a lower detection level. This was done, and the
results are provided in Appendix B of this report.
• Proposed numeric limits for this CIU are included in the second AT
copy included with this report.
C. Dental Amalgam Compliance Report Information
• Dental amalgam compliance reports were sent to two identified
potential dental dischargers is 2020.
• The Town did not receive either compliance report back. The Town
requests an extension to April 15th, 2021 to complete the necessary
follow up to obtain responses.
Town of Biscoe PAR Narrative 2020

THE DATABASE IS CORRECT
Pretreatment Program Info Database
for Program Name Biscoe
WWTP Name Town of Biscoe
Program Approval Date
Pretreatment Status
Region
County
NPDES Number
NPDES Effective Date
NPDES Expire Date
POTW is Primary WWTP
Design Flow mgd
WWTP SIU's
WWTP CIU's
date Inactive
2
1
06/06/2016
Modified
FRO
Montgomery
NC0021504
09/01/2014
06/30/2019
TRUE
0.6000
Program Sills
Program CIUs
printed on: 12/22/2020
Stream Information
7Q10 Flow cfs / mgd
1Q10 Flow cfs / mgd
Stream Classification
Basin Number
Receiving Stream Name
IWC % at 7Q10 100.00
0
0.00
C
03-07-15
Hickory Branch
/ 0.00
/ 0.00
Last PAR Rec 03/25/2020 PAR Due Date 03/01/2021
Current Fiscal 07/27/2020
Year PCI Done
Last Audit on 04/04/2017
% Design mgd is SIU permitted
2
1
22.17
Audit Year Next21/22
Permitted SIU flow (mgd) [Pt_SIU)
mercury
1631
required
.133
Date Next Due 04/30/2024
06/30/2025
Date Received by DWR 05/22/2019 09/27/2019
06/29/2020 07/23/2014 05/15/2020
Date Approved 08/20/2019 02/14/2020
09/24/2020 07/28/2014 08/11/2020
Adopt Date Required
Date Adopted
08/11/2014
Info in this Box from Pt Contacts
PT_Pro
g.Prime
Formal Name
Phonel
ext
Fax
Date Date Date
Attended Attended Attended
HWA Wksp IUP Wksp PAR Wksp
Mr. Brandon Holland I II I I
I I
I
Town Manager
P.O. Box 1228
27209
Ms. Lisa Osthues 'Prim 11(910) 990-0329 I I II
I I
[e-mail] Pretreatment Consultant
168 Nathan Dudley Rd.
28328
Mr. Sam Stewart I 11910 428-4112 I 1910-428-3975 II
I I
I
[e-mail] Public Works Director
PO BOX 1228
27209
J
f Pretreatment Related NOVs from DWQ
DWR Central Office Contact
DWR Regional Contact
Monti Hassan
Stephanie Zorio

W,•
NC
II: Pretreatment
Performance Summary

Town of Biscoe PPS 2020
Chapter 9, PAR Guidance
Pretreatment Performance Summary (PPS)
1. Pretreatment Town Name: Town of Biscoe
2. "Primary" NPDES Number NC00 21504
or Non Discharge Permit # if applicable =>
3. PAR Begin Date, please enter 01 /01 /yyyy 3. => 01 /01 /2020
4. PAR End Date, please enter 12/31 /yyyy 4. => 12/31/2020
5. Total number of SI Us, includes CI Us 5. => 2
6. Number ofClUs 6.=> 1
7. Number of SI Us with no I UP, or with an expired I UP 7.=> 0
8. Number of SI Us not inspected by POTW 8. => 0
9. Number of SI Us not sampled by POTW 9. => 0
10. Number of SI Us in SNC dueto IUP Limit violations 10. => 1
11. Number of SI Us in SNC due to Reporting violations 11. => 0
12. Number of SI Us in SNC due to violation of a Compl iance Schedule, CO, AO or similar 12.=> 0
13. Number of CI Us in SNC 13. => 0
14. Number of SI Us included in Public Notice 14. => 1
15 Total number of SI Us on a compl i ance schedule, CO, AO or similar 15. => 1
16. Number of NOVs, NNCs or similar assesed to SI Us* 16. => 8
17. Number of Civil Penalties assaw)ed to SI Us 17. => 5
18. Number of Criminal Penalties assessed to SI Us 18. => 0
19. Total Amount of Civil Penalties Col l ected* * 19. => $ 2650
20. Number of !Us from which penalties collected 20. => 1
*Notethat NOVs may cove multi pleviolations **Two penalties still outstanding
Foot Notes:
AO Administrative Order
CIU Categorical Industrial User
CO Consent Order
IU Industrial User
IUP Industrial User Pretreatment Permit
NNC Noticeof Non -Compliance
NOV Notice of Violation
PAR Pretreatment Annual Report
POTW Publicly Owned Treatment W
SIU Significant Industrial User
SNC Significant Non -Compliance
orks
revised 1/2018: PAR PPS 2020

NC
III: Significant Non -
Compliance Report

Pretreatment Annual Report (PAR)
Significant Non -Compliance Report (SNCR)
WWTP = Wastewater Treatment Rant, use separate form for each WWTP.
SIU = Significant Industrial User
SNC = Significant Non -Compliance
PAR covers this calendar year =>
Control Authority=Program=Town Name =>
WWTP Name =>
NPDES# =>
A SNCR Form must be submitted with every PAR, please write"None" if you had No SIUs in SNC during calendar year
1 UP
#
Pipe
#
I ndustry Name
Parameter
or "Reporting"
SNC? (Yes/No)
for each 6-month period.
Jan. - June
July - Dec.
0001
001
Carolina Dairy
BOD
Yes
on compliance schedule
0002
001
GredeII,AAM Castings
None
No
No
Attach a copy of the Division's "SI Us in SNC Historical Report" for your POTW's SI Us behind this page .
Is the database correct ? Notify the Division of any errors ! Database indicates SNC history for previous years.
EVERY SNC MUST be explained in the Narrative, How was, is, or will it be resolved?
REPEAT SNCs are serious matters that M UST be explained in the Narrative.
PAR,SNCR, Biscoe2020
2020
Town of Biscoe
Biscoe WWTP
N C0021504

histgr1s�
pi REPORT
Biscoe
2013
2014
2015
2016
2017
2018
2019
1st half 1 2nd half 1st half 1 2nd half 1st half 1 2nd half 1st half 1 2nd half 1st half 1 2nd half
1st half 1 2nd half 1st half 1 2nd half
Carolina Dairy, LLC
IUP # 001
IUP Status: Active
Pipe # 001
BOD
Grede II, AAM Castings, Biscoe LLC
IUP # 002 Pipe # 001
IUP_Status: Active
PRINTED ON: 12/16/2020
Reporting
PreviousNames:
I
I
I
SIU Word Description:
Dairy
I Ix
XIX
PreviousNames: Grede II, Biscoe LLC
I
SIU Word Description:
I I XI
An 'X' in a semi-annual period indicates snc for the period for the respective parameter.
This information is compiled from many sources, and has not been verified.
Contact the local pretreatment coordinator or state pretreatment staff if errors are noted.
PAGE 5
XIX
xi

Public Notice
The Town of Biscoe, in accordance with Federal and State Regulations, is hereby giving
public notice. Listed below are Significant Industrial Users of the Town of Biscoe
Publicly Owned Treatment Works (POTW) that were in Significant Non -Compliance
with national pretreatment regulations 40 CFR Part 403, state pretreatment regulations 15
NCAC 2H .0900, or local pretreatment regulations at any time during the 2020 calendar
year.
Carolina Dairy of Biscoe was in Significant Non -Compliance for exceedance of BOD
limits for the first semi-annual period of 2020 and was placed on a compliance schedule
for the second half of 2020. The industry is working to achieve compliance via modified
pretreatment processes.
Town of Biscoe, Department of Public Works
Sam R. Stewart, Superintendent

NC
IV: Industrial Data
Summary Forms

Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Enter BDL values as < (value)
11'ERAGES CALCULATED USING ALL INDUSIRN .1ND
POTW VALUES.
Control Authority, Industry
Town Name=> Town of Biscoe
WWTPName=> Town of BiscoeWWTP
NPDES#=> NC0021504
1st 6 months, dates => 1/1/2020 6/30/2020
2nd 6 months, dates => 7/1/2020 12/31/2020
Name Carolina Dairy
IUP# 001
Rpe# 001
Total # of samples =>
Maximum (mg/I)=>
or Maximum (I b/d) =>
or Average (mg/I) _>
or Average Loading (lb/d) =>
# Violations/ #TRC =>
% violations,(chronic SNC is >= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (mg/I)=>
or Maximum (Ib/d) _>
or Average (mg/I) _>
or Average Loading (lb/d) _>
# Violations/ # TRC =>
% violations,(chronic SNC is >= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (rrg/I)=>
or Maximum (Ib/d) =>
or Average (mg/I) =>
or Average Loading (Ib/d) =>
# Violations/ # TRC =>
% violations,(chronic SNC is>= 66%) _>
% TRC violations, (SNC is>= 33 %) _>
Flow, Daily Max,
MGD
Flow, Mo Avg. MGD
pH, S.U.
BOD, M o. Avg., mg/L only
applied until June
compliance schedule
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
141
168
6
6
12
24
5
0.095
0.125
0.055
0.073
Max=9.7
Max=9.1
527
Min=6.0
Min=7.1
0.047
0.057
0.047
0.058
639
0
N/A
N/A
0
N/A
N/A
0
N/A
N/A
0
N/A
N/A
1/NA
8%
NA
0/NA
0%
NA
4/4
80%
80%
TSS, Daily Max, mg/L
1st 6 months
11
2nd 6 months
23
TSS, M o. Avg., mg/L only
applied until June compliance
schedule
1st 6 months
5
2nd 6 months
Oil & Grease, Daily Max,
mg/L
1st 6 months
11
2nd 6 months
21
2nd 6 months
M o. Avg. Temp, °F
1st 6 months
6
2nd 6 months
6
740
1990
366
42
24
87
90
323
452
256
18
9
61
79
3/3
5/NA"
4/1
3/0
0
0
0
27%
22%
80%
27%
0%
0%
0%
27%
NA*
20%
0%
0%
0%
0%
*On compliance schedule
Daily Temp. Max, °F
BOD, Daily Max, mg/L
During Comp ianceSchedule
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
8
20
4
23
90
91
672
1500
80
77
1390
403
0
0
1/NA*
1/NA*
0%
0%
25%
3%
0%
0%
NA*
NA*
* POTW must aver at least one of these
four rows Please indicate how averages were calculated
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used.
I DSF I UP 0001 Carolina Dairy 2020
"On compliance schedule
BDL => Bdow Deletion Limit
IUP=> Industrial User Permit
SNC => Significant Non -Compliance
TRC => Technical Ro✓iev Criteria
niq/I => milligrams per liter
I b/d => pounds per day
mgd => million gallons per day
WWTP=> wastewater treatment plant

Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Enter BDL values as < (value)
AVERAGES CALCULATED USING ALL INDUSTRY AND POTW
VALUES.
Total # of samples=>
Maximum (mg/I) =>
or Maximum (Ib/d) =>
or Average (mg/I) =>
or Average Loading (I b/d) =>
# Violations/ # TRC =>
% violations, (chronic SNC is >= 66%) _>
% TRC violations, (SNC is >= 33 %) _>
Total # of samples=>
Maximum (mg/I) =>
or Maximum (Ib/d) =>
or Average (mg/I) =>
or Average Loading (I b/d) =>
#Violations / #TRC =>
% violations,(chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples=>
Maximum (mg/I) =>
or Maximum (Ib/d) =>
or Average (mg/I) =>
or Average Loading (I b/d) =>
# Violations/ # TRC =>
% violations, (chronic SNC is >= 66%) _>
% TRC violations, (SNC is >= 33 %) _>
Control Authority,
Town Name => Town of Biscoe
WWTPName => Town of BiscoeWWTP
NPDES#=> NC0021504
1st 6 months, dates=> 1/1/2020 6/30/2020
2nd 6 months, dates=> 7/1/2020
12/31/2020
Industry
Name AAM Castings
IUP# 002
Pipe# 001
Flow, Daily Max, MGD
BOD, Daily Max
TSS, Daily Max
BOD, Monthly Avg.
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
33
85
3
3
3
3
3
2
0.001
0.027
21
11.6
5.7
43.4
21
11.6
0.001
0.001
9
5.2
4.3
16.1
9
6.8
0
0/0
0/0
0/0
0/0
0/0
0/0
N/A
N/A
0%
0%
0%
0%
0%
0%
N/A
N/A
0%
0%
0%
0%
0%
0%
Flow, Mo. Avg. MGD
TSS, Monthly Avg.
pH, S.U., Daily Max
Temperature, °F, Daily
Max
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
5
5
3
2
3
3
4
8
0.003
0.005
5.7
43
Max=7.9
Max=8.9
80
82
Min=7.8
Min=7.8
0.001
0.001
4.3
23
72
66
0
0
0/0
0/0
0
0
N/A
N/A
N/A
N/A
0%
0%
0%
0%
N/A
N/A
N/A
N/A
0%
0%
N/A
N/A
N/A
N/A
Cadmium, Daily Max
Chromium, Daily Max
Copper, Daily Max
Cyanide, Daily Max
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
3
3
3
3
3
3
3
3
<0.002
<0.001
0.013
<0.005
0.056
0.1
<0.008
0.01
<0.001
<0.001
0.006
<0.005
0.026
0.038
<0.007
0.008
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
POTW must enter at least one of these
four rows, Please indicate how averages were calculated
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used.
BDL => Below Detection Limit
IUP => Industrial User Permit
SNC => Significant Non -Compliance
TRC => Technical Review Criteria
mg/I => milligrams per liter
I b/d => pounds per day
mod => million gallons per day
W WTP => wastewater treatment plant
I DSF IUP 0002 AAM Castings 2019

Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Enter BDL values as < (value)
Total # of samples=>
Maximum (mg/I) =>
or Maximum (lb/d) =>
or Average (mg/I) =>
or Average Loading (I b/d) =>
# Violations/ # TRC =>
% violations, (chronic SNC is >= 66%) _>
% TRC violations, (SNC is >= 33 %) _>
Total # of samples=>
Maximum (mg/I) =>
or Maximum (Ib/d) =>
or Average (mg/I) =>
or Average Loading (I b/d) =>
#Violations / # TRC =>
% violations,(chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples=>
Maximum (mg/I) =>
or Maximum (Ib/d) =>
or Average (mg/I) =>
or Average Loading (I b/d) =>
# Violations / # TRC =>
% violations,(chronic SNC is>= 66%) _>
% TRC violations, (SNC is >= 33 %) _>
POTW must enter a least one of these
four rows, Please indicate how averages were calculated
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used.
Industry Name AAM Castings
IUP# 002
Pipe# 001
Lead, Daily Max
Nickel, Daily Max
Silver, Daily Max
Zinc, Daily Max
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
3
3
3
3
3
3
3
3
<0.01
<0.005
0.019
0.016
<0.005
0.016
0.264
0.480
<0.007
<0.004
0.012
0.007
<0.005
0.006
0.134
0.199
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Mercury, Daily Max
TTO, Daily Max
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
3
3
certification
certification
<0.0002
<0.0002
POTW =
POTW =
<0.0002
<0.0002
<2.13
<2.13
N/A
N/A
N/A
N/A
N/A
N/A
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1st 6 months
2nd 6 months
BDL => Below Detection Limit
IUP=> Industrial User Permit
SNC => Significant Non -Compliance
TRC => Technic Review Criteria
mg/I => milligrams per Iiter
I b/d => pounds per day
mgd => million gallons per day
WWTP => wastewater treatment plant
I DSF IUP 0002 AAM Castings 2019

W/s
NC
V: Allocation Table

Workbook Name : Biscoe_HWA_AT_2019_Approved_AT Updated December 2020, Worksheet Name:
AT
POTW=>
NPDES#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
Allocation Table
•
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
Pipe
number
1) Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is prot
2) Formulas are discussed in the Comprehensive Guidance, Chapter 6, Section C.
3) HWA and AT worksheets in this workbook are linked. Pollutant Names, MAHLs, Basis, and
this AT worksheet are automatically entered from the HWA spreadsheet. This includes polluta
through BK.
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Type Renewal Modification Date
of Effective Effective Permit
Industry Date Date Expires
Industry
INDUSTRY NAMES Permit
(please list alphabeticly) number
FLOW
Permit Limits
MGD gal/day
Carolina Dairy, LLC
001
0001
Yogurt
08/15/16
02/11/19
08/15/21
0.1000
100,000
Grede I I, AA Casting, Bisoce
002
0001
433.17
08/15/16
11/26/18
08/15/21
0.0330
33,000
I 0.13301 133,000
Column Totals =>
Basis=>
MAHL from HWA (Ibs/day) _>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibsiday) _>
Total Permitted to Industry (I bsiday) _>
MAIL left (Ibsiday) =>
Percent Allow. Ind. (MAIL) still available(%) =>
Percent MAHL still available (%) =>
5 Percent MAHL (I bs/day) _>
NPDES Permitted Flow=>
NPDES
0.6000
0.2122
0.3878
0.1330
0.2548
65.7 %
42.5 %
0.0300
HWA.AT
Revised:November 2005

Workbook Name : Biscoe_HWA_AT_2019_Approved_AT Updated December 2020, Worksheet Name:
AT
POTW=>
NPDES#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
Allocation Table
Headworks last approved:
08/20/19
iected, password is "2".
Allocation Table updated:
12/20/20
Uncontrollable load in
Permits last modified:
02/11/19
nt names in columns AT
BiscoeWWTP
NC0021504
Industry
BOD
Permit Limits
TSS
Permit Limits
Ammonia
Permit Limits
Arsenic
Permit Limits
INDUSTRY NAMES Permit
(please list alphabeticly) number
Pipe
number
Conc. Load
m /I I bs/da
Conc. Load
m /I I bsida
Conc. Load
m /I I bsida
Conc. Load
m /I I bsiday
Carolina Dairy, LLC
001
0001
400.00
333.60
350.00
291.90
Grede I I , AA M Casting, B i soce
002
0001
250.00
68.81
250.00
68.81
_
Column Totals =>
1
402
361
0
0.0000
Basis=>
MAHL from HWA (Ibs/day) _>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibsiday) _>
Total Permitted to Industry (I bsiday) _>
MAIL left (Ibsiday) =>
Percent A l l ow. Ind. (MAIL) still available (%) =>
Percent MAHL still available(%) =>
5 Percent MAHL (I bsiday) _>
Design
1101
239
862
402
460
53.3 %
41.7 %
55
NPDES
846
345
501
361
141
28.0 %
16.6 %
42
Design
125.10
44.24
80.86
0.00
80.86
100.0 %
64.6 %
6.26
Stream
Std
0.0429
0.0088
0.0341
0.0000
0.0341
100.0 %
79.4 %
0.0021
HWA.AT
Revised:November 2005

Workbook Name : Biscoe_HWA_AT_2019_Approved_AT Updated December 2020, Worksheet Name:
AT
POTW=>
NPDES#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
Pipe
number
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Industry
INDUSTRY NAMES Permit
(please list alphabeticly) number
Cadmium
Permit Limits
Chromium
Permit Limits
Copper
Permit Limits
Cyanide
Permit Limits
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bsiday
Conc. Load
mg/I I bsiday
Conc. Load
mg/I I bsiday
Carolina Dairy, LLC
001
0001
Grede I I, AA M Casting, B i soce
002
0001
_
Column Totals =>
1
0.00001
1 0.0000
0.00001
0.0000
Basis=>
MAHL from HWA (Ibs/day) _>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibsiday) _>
Total Permitted to Industry (I bsiday) _>
MAIL left (Ibsiday) =>
Percent A l l ow. Ind. (MAIL) still available (%) =>
Percent MAHL still available(%) =>
5 Percent MAHL (I bsiday) _>
Stream
Std
0.0043
0.0018
0.0025
0.0000
0.0025
100.0 %
58.8 %
0.0002
Stream
Std
0.1443
0.0088
0.1355
0.0000
0.1355
100.0 %
93.9 %
0.0072
Stream
Std
0.1219
0.1002
0.0217
0.0000
0.0217
100.0 %
17.8 %
0.0061
Stream
Std
0.0381
0.0058
0.0322
0.0000
0.0322
100.0 %
84.7 %
0.0019
HWA.AT
Revised:November 2005

Workbook Name : Biscoe_HWA_AT_2019_Approved_AT Updated December 2020, Worksheet Name:
AT
POTW=>
NPDES#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
Allocation Table
Headworks last approved:
08/20/19
Allocation Table updated:
12/20/20
Permits last modified:
02/11/19
BiscoeWWTP
NC0021504
Industry
Lead
Permit Limits
Mercury
Permit Limits
Molybdenum
Permit Limits
Nickel
Permit Limits
INDUSTRY NAMES Permit
(please list alphabeticly) number
Pipe
number
Conc. Load
mg/I I bs/da
Conc. Load
m /I I bs/da
Conc. Load
m./I I bs/da
Conc. Load
mg /I I bs/da�
Carolina Dairy, LLC
001
0001
Grede I I, AA M Casting, B i soce
002
0001
_
Column Totals =>
1
0.0000
0.000000
I 0.0000
1 0.0000
Basis=>
MAHL from HWA (Ibs/day) _>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibsiday) _>
Total Permitted to Industry (I bsiday) _>
MAIL left (Ibsiday) =>
Percent A l l ow. Ind. (MAIL) still available (%) =>
Percent MAHL still available(%) =>
5 Percent MAHL (I bsiday) _>
Stream
Std
0.0182
0.0088
0.0093
0.0000
0.0093
100.0 %
51.3 %
0.0009
Stream Std
0.000071
0.000177
-0.000106
0.000000
-0.000106
100.0
-149.8
0.000004
Stream
Std
0.5639
0.0044
0.5595
0.0000
0.5595
100.0
99.2
0.0282
Stream
Std
0.1506
0.0088
0.1418
0.0000
0.1418
100.0
94.1
0.0075
HWA.AT
Revised:November 2005

Workbook Name : Biscoe_HWA_AT_2019_Approved_AT Updated December 2020, Worksheet Name:
AT
POTW=>
NPDES#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
Allocation Table
Headworks last approved:
08/20/19
Allocation Table updated:
12/20/20
Permits last modified:
02/11/19
BiscoeWWTP
NC0021504
Industry
Selenium
Permit Limits
Silver
Permit Limits
Zinc
Permit Limits
Total Nitrogen
Permit Limits
INDUSTRY NAMES Permit
(please list alphabeticly) number
Pipe
number
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bsiday
Conc. Load
mg/I I bsiday
Conc. Load
mg/I I bsiday
Carolina Dairy, LLC
001
0001
Grede I I , AAM Casting, B i soce
002
0001
_
Column Totals =>
1
0.00001
1 0.0000
0.00001
0.00
Basis=>
MAHL from HWA (Ibs/day) _>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibsiday) _>
Total Permitted to I ndustry (I bsiday) _>
MAIL left (Ibsiday) =>
Percent A l l ow. Ind. (MAIL) still available (%) =>
Percent MAHL still available(%) =>
5 Percent MAHL (I bsiday) _>
Stream
Std
0.0236
0.0124
0.0112
0.0000
0.0112
100.0 %
47.5 %
0.0012
Stream
Std
0.0006
0.0042
-0.0037
0.0000
-0.0037
100.0
-649.5
0.0000
Stream
Std
0.5614
0.1460
0.4154
0.0000
0.4154
100.0 %
74.0 %
0.0281
0.00
#######
#######
HWA.AT
Revised:November 2005

Workbook Name : Biscoe_HWA_AT_2019_Approved_AT Updated December 2020, Worksheet Name:
AT
POTW=>
NPDES#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
Pipe
number
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Industry
INDUSTRY NAMES Permit
(please list alphabeticly) number
Total Phos.
Permit Limits
Conc. Load
mg/I I bs/day
Carolina Dairy, LLC
001
0001
Grede I I, AA M Casting, B i soce
002
0001
Column Totals =>
1
0.00
Basis=>
MAHL from HWA (Ibs/day) _>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibsiday) _>
Total Permitted to Industry (I bsiday) _>
MAIL left (Ibsiday) =>
Percent A l l ow. Ind. (MAIL) still available (%) =>
Percent MAHL still available(%) =>
5 Percent MAHL (I bsiday) _>
0.00
HWA.AT
Revised:November 2005

AT WITH PROPOSED NUMERIC LIMITS FOR CIU, GREDE
POTW=>
NPDES#=>
I UP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name : Biscoe_HWA_AT_2019_Approvedwith new AAM limits, Worksheet Name: AT
Allocation Table
Spreadsheet Instructions:
Headworks last approved:
08/20/19
1) Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is protected, password is "2".
Allocation Table updated:
12/20/20
2) Formulas are discussed in the Comprehensive Guidance, Chapter 6, Section C.
3) HWA and AT worksheets in this workbook are linked. Pollutant Names, MAHLs, Basis, and Uncontrollable load in
Permits last modified:
02/11/19
this AT worksheet are automatically entered from the HWA spreadsheet. This includes pollutant names in columns AT
Include
through BK.
BiscoeWWTP
NC0021504
Industry
Type Renewal Modification Date
FLOW
Permit Limits
BOD
Permit Limits
TSS
Permit Limits
INDUSTRY NAMES Permit
(pI elistdphabe[fdy) number
Pipe of Effective Effective Permit
number Industry Date Date Expires
MGD gal/day
Conc. Load
m I Ibs/d.
Conc. Load
m I Ibs/d
Carolina Dairy, LLC
001
0001
Yogurt
08/15/16
02/11/19
08/15/21
0.1000
100,000
400.00
333.60
350.00
291.90
Grede II, AAM Casting, Bisoce
002
0001
433.17
08/15/16
11/26/18
08/15/21
0.0330
33,000
250.00
68.81
250.00
68.81
Column Totals =>
0.1330 133,000
402
361
Basis=>
MAHL from HWA (Ibs/day) =>
Uncontrollable Loading (Ibs/day) =>
Total Allowable for Industry (MAIL) (Ibs/day) _>
Total Permitted to Industry (Ibs/day) _>
MAIL left (Ibs/day) _>
Percent Allow. Ind. (MAIL) still available(%) =>
Percent MAHL still available (%) _>
5 Percent MAHL (Ibs/day) _>
NPDES Permitted Flow=>
NPDES
0.6000
0.2122
0.3878
0.1330
0.2548
65.7 %
42.5 %
0.0300
Design
1101
239
862
402
460
53.3 %
41.7 %
55
NPDES
846
345
501
361
141
28.0 %
16.6 %
42
HWA.AT
Revised:November 2005

POTW=>
NPDES#=>
I UP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name : Biscoe_HWA_AT_2019_Approvedwith new AAM limits, Worksheet Name: AT
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
Pipe
number
s proposed 433 limits for
Grede II
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Industry
INDUSTRY NAMES Permit
(pleaselist alphabetldy) number
Ammonia
Permit Limits
Arsenic
Permit Limits
Cadmium
Permit Limits
Chromium
Permit Limits
Copper
Permit Limits
Cyanide
Permit Limits
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Carolina Dairy, L L C
001
0001
Grede I I , AA M Casting, B i soce
002
0001
0.0050
0.0014
0.1000
0.0275
0.0550
0.0151
0.0300
0.0083
Column Totals => I
0
0.0000
0.0014
0.0275
0.0151
0.0083
Basis=>
MAHL from HWA (Ibis/day) =>
Uncontrollable Loading (I bsiday) =>
Total Allowable for Industry (MAIL) (Ibs/day) _>
Total Permitted to Industry (Ibs/day) _>
MAIL left (Ibsiday) _>
Percent Allow. Ind. (MAIL) still available(%) _>
Percent MAHL still available(%) =>
5 Percent MAHL (Ibs/day) _>
Design
125.10
44.24
80.86
0.00
80.86
100.0
64.6 %
6.26
Stream
Std
0.0429
0.0088
0.0341
0.0000
0.0341
100.0 cYci
79.4 %
0.0021
Stream
Std
0.0043
0.0018
0.0025
0.0014
0.0011
45.5 %
26.7 %
0.0002
Stream
Std
0.1443
0.0088
0.1355
0.0275
0.1079
79.7 %
74.8 %
0.0072
Stream
Std
0.1219
0.1002
0.0217
0.0151
0.0066
30.3 %
5.4 %
0.0061
Stream
Std
0.0381
0.0058
0.0322
0.0083
0.0240
74.4 %
63.0 %
0.0019
HWA.AT
Revised:November 2005

POTW=>
NPDES#=>
I UP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name : Biscoe_HWA_AT_2019_Approvedwith new AAM limits, Worksheet Name: AT
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
Pipe
number
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Industry
INDUSTRY NAMES Permit
(PIIis alphabetldy) number
Lead
Permit Limits
Mercury
Permit Limits
Molybdenum
Permit Limits
Nickel
Permit Limits
Selenium
Permit Limits
Sil'
Permit
Conc. Load
_ mg/I I bs/day
Conc. Load
mg/I I bsiday
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc.
mg/I
Carolina Dairy, L L C
001
0001
1
1
Grade I I , AA M Casting, B i soce
002
0001
0.0100
0.0028
0.1000
0.0275
0.0010
Column Totals =>
1
0.0028
0.000000
0.0000
0.0275
0.0000
Basis=>
MAHL from HWA (Ibis/day) =>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibs/day) _>
Total Permitted to Industry (Ibs/day) _>
MAIL left (Ibs/day) _>
Percent Allow. Ind. (MAIL) still available(%) _>
Percent MAHL still available (%) =>
5 Percent MAHL (Ibs/day) _>
Stream
Std
0.0182
0.0088
0.0093
0.0028
0.0066
70.5
36.1 %
0.0009
Stream Std
0.000071
0.000177
- 0.000106
0.000000
- 0.000106
100.0
-149.8 %
0.000004
Stream
Std
0.5639
0.0044
0.5595
0.0000
0.5595
100.0
99.2 %
0.0282
Stream
Std
0.1506
0.0088
0.1418
0.0275
0.1143
80.6 %
75.9
0.0075
Stream
Std
0.0236
0.0124
0.0112
0.0000
0.0112
100.0
47.5 %
0.0012
HWA.AT
Revised:November 2005

POTW=>
NPDES#=>
I UP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name : Biscoe_HWA AT_ 2019_Approvedwith new AAM limits, Worksheet Name: AT
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Industry
INDUSTRY NAMES Permit
(pleaselisl alphahetidy) number
ver
Limits
Pipe Load
number I bsiday
Carolina Dairy, LLC
001
0001
GredeII, AAM Casting, Bisoce
002
0001
0.0003
Column Total s =>
Basis=>
MAHL from HWA (Ibs/day) =>
Uncontrollable Loading (I bs/day) =>
Total Allowablefor Industry (MAIL) (Ibs/day) =>
Total Permitted to Industry (Ibs/day) =>
MAIL left (Ibs/day) =>
Percent Allow. Ind. (MAIL) still available(%) =>
Percent MAHL still available(%) =>
5 Percent MAHL (Ibs/day) =>
0.0003
Stream
Std
0.0006
0.0042
-0.0037
0.0003
-0.0040
107.5 %
-698.1 %
0.0000
HWA.AT
Revised:November 2005

POTW=>
NPDES#=>
I UP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name : Biscoe_HWA_AT_2019_Approvedwith new AAM limits, Worksheet Name: AT
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
08/20/19
Pipe
number
12/20/20
02/11/19
BiscoeWWTP
NC0021504
Industry
INDUSTRY NAMES Permit
(pleaselist alphabetldy) number
Zinc
Permit Limits
Total Nitrogen
Permit Limits
Total Phos.
Permit Limits
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Conc. Load
mg/I I bs/day
Carolina Dairy, L L C
001
0001
Grede I I , AAM Casting, B i soce
002
0001
0.5000
0.1376
Column Totals =>
I
0.1376
0.00
0.00
Basis=>
MAHL from HWA (Ibis/day) =>
Uncontrollable Loading (I bs/day) =>
Total Allowable for Industry (MAIL) (Ibs/day) _>
Total Permitted to Industry (Ibs/day) _>
MAIL left (Ibs/day) _>
Percent Allow. Ind. (MAIL) still available(%) _>
Percent MAHL still available (%) =>
5 Percent MAHL (Ibs/day) _>
Stream
Std
0.5614
0.1460
0.4154
0.1376
0.2777
66.9
49.5 %
0.0281
0.00
#######
#######
0.00
HWA.AT
Revised:November 2005

W,s
NC
VI: EL & MR

IUP, Part 1 Section F:
Effluent Limits and Monitoring Requirements
The Permittee may discharge from this specific
Pipe number according to these specific dates,
effluent limits, and monitoring requirements
Receiving POTW name =>
Receiving POTW NPDES # _>
Effective date for these Limits =>
Expiration date for these Limits =>
Biscoe
NC0021504
08/01/2019
08/15/2021
THE LIMITS ON THIS PAGE ARE, (Check one below):
LIMITS for ENTIRE permit period =>
INTERIM Limits for period # 1 =>
INTERIM Limits for period # 2 =>
FINAL Limits Page =>
IU name =>
IUP # =>
Pipe # =>
40 CFR # _>
X
Carolina Dairy, LLC
001
001
NA
if not applicable put N/A
Concentration Limits
Mass Limits
Monitoring Frequency
Daily Max
Monthly
Average
Units
Daily Max
Monthly
Average
Units
By Industry
By POTW
Sample
Collection
Method
(C or G)
Required
Laboratory
Detection
Level
1
Flow
0.15
0.1
MGD
Daily
Every Sample
Reading
-
2
BOD
325
mg/L
Quarterly
Semi -Annually
C
2.0 mg/L
3
TSS
300
250
mg/L
Quarterly
Semi -Annually
C
2.5 mg/L
4
Temperature
110
100
°F
Daily*
6 Annual,
random
Grab or In
situ
1 °C
5
pH
9
Daily Min
= 6
Std. Units
Std. Units
Quarterly
Semi -Annually
Grab or In
situ
0.1 S.U.
OTHER PARAMETERS Please List Alphabetically
6
FOG
30
mg/1
Quarterly
Semi -Annually
G
5 mg/L
7
8
9
10
11
12
13
14
15
*Daily temperature monitoring by industry is not required to be performed by an NC certified laboratory. Daily industrial temperatures are operational, and shall be reported
as such.
6

IUP, Part 1 Section F:
Effluent Limits and Monitoring Requirements
The Permittee may discharge from this specific
Pipe number according to these specific dates,
effluent limits, and monitoring requirements
Receiving POTW name =>
Receiving POTW NPDES # =>
Effective date for these Limits =>
Expiration date for these Limits =>
Biscoe
NC0021504
06/09/2020
12/15/2020
THE LIMITS ON THIS PAGE ARE, (Check one below):
LIMITS for ENTIRE permit period =>
INTERIM Limits for period # 1 =>
INTERIM Limits for period # 2 =>
FINAL Limits Page =>
IU name =>
IUP # =>
Pipe # =>
40 CFR # =>
X
Carolina Dairy, LLC
001
001
NA
if not applicable put N/A
Concentration Limits
Mass Limits
Monitoring Frequency
Daily Max
Monthly
Average
Units
Daily Max
Monthly
Average
Units
By Industry
By POTW
Sample
Collection
Method
(C or G)
Required
Laboratory
Detection
Level
1
Flow
0.15
0.1
MGD
Daily
Every Sample
Reading
-
2
BOD
800
mg/L
Weekly**
Semi -Annually
C
2.0 mg/L
3
TSS
500
mg/L
Weekly**
Semi -Annually
C
2.5 mg/L
4
Temperature
110
100
°F
Daily*
6 Annual,
random
Grab or In
situ
1°F
5
pH
11
Daily Min
= 6
Std. Units
Std. Units
Quarterly
Semi -Annually
Grab or In
situ
0.1 S.U.
OTHER PARAMETERS; Please List Alphabetically
6
FOG
30
mg/1
Quarterly
Semi -Annually
G
5 mg/L
7
8
9
10
11
12
13
14
15
*Daily temperature monitoring by industry is not required to be performed by an NC certified laboratory. Daily industrial temperatures are operational, and shall be reported
as such.
** Per the terms of the compliance schedule and consent order dated June 9, 2020, BOD and TSS must be monitored daily on discharge days from November 1e,
2020 to November 30th, 2020.
7

IUP, Part 1 Section F:
Effluent Limits and Monitoring Requirements
The Permittee may discharge from this specific
Pipe number according to these specific dates,
effluent limits, and monitoring requirements
Receiving POTW name =>
Receiving POTW NPDES # =>
Effective date for these Limits =>
Expiration date for these Limits =>
Biscoe
NC0021504
12/16/2020
08/15/2021
THE LIMITS ON THIS PAGE ARE, (Check one below):
LIMITS for ENTIRE permit period =>
INTERIM Limits for period # 1 =>
INTERIM Limits for period # 2 =>
FINAL Limits Page =>
IU name =>
IUP # =>
Pipe # =>
40 CFR # _>
X
Carolina Dairy, LLC
001
001
NA
if not applicable put N/A
Concentration Limits
Mass Limits
Monitoring Frequency
Daily Max
Monthly
Average
Units
Daily Max
Monthly
Average
Units
By Industry
By POTW
Sample
Collection
Method
(C or G)
Required
Laboratory
Detection
Level
1
Flow
0.15
0.1
MGD
Daily
Every Sample
Reading
-
2
BOD
400
mg/L
Monthly
Semi -Annually
C
2.0 mg/L
3
TSS
350
mg/L
Monthly
Semi -Annually
C
2.5 mg/L
4
Temperature
110
100
°F
Daily*
6 Annual,
random
Grab or In
situ
1°F
5
pH
11
Daily Min
= 6
Std. Units
Std. Units
Monthly
Semi -Annually
Grab or In
situ
0.1 S.U.
OTHER PARAMETERS; Please List Alphabetically
6
FOG
30
mg/1
Monthly
Semi -Annually
G
5 mg/L
7
8
9
10
11
12
13
14
15
*Daily temperature monitoring by industry is not required to be performed by an NC certified laboratory. Daily industrial temperatures are operational, and shall be reported
as such.
8

IUP, Part 1 Section F:
Effluent Limits and Monitoring Requirements
The Permittee may discharge from this specific
Pipe number according to these specific dates,
effluent limits, and monitoring requirements
Receiving POTW name => Biscoe
Receiving POTW NPDES # _>
Effective date for these Limits =>
Expiration date for these Limits =>
NC0021504
11/26/2018
8/15/2021
THE LIMITS ON THIS PAGE ARE, (Check one below):
LIMITS for ENTIRE permit period =>
INTERIM Limits for period # 1 =>
INTERIM Limits for period # 2 =>
FINAL Limits Page =>
IU name =>
IUP # =>
Pipe # =>
40 CFR # _>
X
Grede II — AAM Casting,
Biscoe
002
01
433
if not applicable put N/A
Concentration Limits
Mass Limits
Monitoring Frequency
Daily Max
Monthly
Average
Units
Daily Max
Monthly
Average
Units
By Industry
By POTW
Sample
Collection
Method
(C or G)
Required
Laboratory
Detection
Level
1
Flow
0.050
0.033
MGD
Continuous
-
-
2
BOD
300
250
mg/1
Quarterly
Semi -Annually
C
2.0 mg/L
3
TSS
300
250
mg/1
Quarterly
Semi -Annually
C
2.5 mg/L
4
Temperature
Monitor
& report
Deg. C
Daily*
6 Annual,
random
Grab or In
situ
1°C
5
pH
9
Daily Min
= 6
Std. Units
Std. Units
Quarterly
Semi -Annually
Grab or In
situ
0.1 S.U.
OTHER PARAMETERS; Please List Alphabetically
6
Cadmium
Monitor
mg/1
Quarterly
1/6 months
C
0.1
7
Chromium
Monitor
mg/1
Quarterly
1/12 months
C
0.01
8
Copper
Monitor
mg/1
Quarterly
1/6 months
C
0.002
9
Cyanide
Monitor
mg/1
Quarterly
1/6 months
C
0.005
10
Lead
Monitor
mg/1
Quarterly
1/6 months
C
0.002
11
Mercury
Monitor
mg/1
Quarterly
1/6 months
C
0.01
12
Nickel
Monitor
mg/1
Quarterly
1/6 months
C
0.0002
13
Silver
Monitor
mg/1
Quarterly
1/12 months
C
0.1
14
Zinc
Monitor
mg/1
Quarterly
1/6 months
C
0.01
15
TTO**
2.13
Once/6 Months
**
Once/year **
G
0.01
*Daily temperature monitoring by industry is not required to be performed by an NC certified laboratory. Daily industrial temperatures are operational, and shall be reported
as such.
**See Section III
5

NC
Appendix A - Carolina
Diary NOVs and Compliance
Schedule

North Carolina
County of Montgomery
In the matter of Town of Biscoe
Pretreatment Permit No. 001
held by Carolina Dairy, LLC
CONSENT ORDER AND COMPLIANCE SCHEDULE
Pursuant to provisions of the Sewer User Ordinance of the Town of Biscoe, this Consent Order is
made effective the 9th day of June 2020, between Carolina Dairy, LLC. (hereinafter the "User")
and the Town of Biscoe (hereinafter the "Town").
The User and Town hereby stipulate and agree as follows:
1. User holds Town of Biscoe Pretreatment Permit No. 001 (hereinafter the "Permit", which
shall refer to User's existing permit and any subsequent renewals or modifications
thereof) for the operations of existing pretreatment units and discharges from said
treatment works into the Town's sewer system.
2. User has been unable to meet the permit limitations for BOD and TSS set forth in its
Permit.
3. Achievement of these limits will require resolution of existing problems in the recently
modified pretreatment train and possibly, development of alternative solutions to alleviate
noncompliance, including but not limited to the construction of additional pretreatment
facilities or modification of existing facilities, as well as the preparation of plans and
specifications as necessary.
4. User hereby agrees to do and perform all of the following:
a. Meet and comply with all terms and conditions of the Permit (except as modified
by the Order) provided, however, subject to the terms and conditions of the
Consent Order, the following shall apply:
Parameter
Daily Max (mg/L)
Monitoring Frequency
Detection Limit
BOD
800
Weekly
2 mg/L
TSS
500
Weekly
2.5 mg/L
Monthly averages do not apply for BOD and TSS during the term of the Consent
Order
b. Unless and until Compliance is achieved, the User will undertake activities
necessary to bring the User into Compliance in accordance with the following
schedule:
COMPLIANCE SCHEDULE
Activities
Deadline for Completion
(i)
The permittee shall submit a written report to the
Town of Biscoe within 60 days of the effective date of
this consent order detailing any changes or additions
to the current pretreatment process necessary to
achieve compliance with permit limitations, IUP, Part
1 Section F.
August 7, 2020
pg. 1 Consent Order and Compliance Schedule, IUP 001, Town of Biscoe, June 9, 2020

c.
(ii) The permittee shall request an authorization to
construct from the Town of Biscoe for any and all
changes/additions proposed in item (i) above. If
required, submit necessary drawings and information
to obtain authorization.
September 15, 2020
(iii) Upon approval by the Town of Biscoe, the industry
shall complete additions and/or implement the
needed changes.
November 15, 2020
(iv) Complete analysis of implemented changes,
including daily monitoring (on discharge days) from
November 16th to November 30th, and make
necessary modifications to optimize and obtain full
operational status.
November 30, 2020
(v) Achieve compliance with final (IUP) limits.
December 15, 2020
User shall perform each of the activities set forth in subparagraph (b) on or before the
dates established thereby unless such dates are extended by agreement of User and the
Town. The User may request such extensions for good cause, and the Town will not
unreasonably withhold its consent to such extensions.
d. User shall submit a comprehensive written report within five (5) days following each
milestone date specified in subparagraph b. items (ii) to (v). Each such report shall be in
narrative form, shall state in detail the activities undertaken since the last report to
achieve Compliance, and shall indicate whether User has met the due date for the
relevant milestone established in this Consent Order. If any report contains notice of
failure to meet a milestone date, the report shall also include a statement explaining the
cause of the failure, any remedial actions taken, and the probability of meeting the next
milestone.
e.
All reports required by the Consent Order shall be submitted to the Town by Certified
Mail, Return Receipt Requested, addressed to:
Sam Stewart, Director of Public Works
Town of Biscoe
110 W. Main St.
Biscoe, NC 27209
Any violation of the terms of this Consent Order shall subject the User to the enforcement
authority outlined in the Ordinance. Such action may include, but is not limited to such
fines, penalties and assessments as may be set forth in the Code of Ordinance and the
Enforcement Response Plan of the Town of Biscoe, as amended from time to time.
In lieu of other penalties, the following stipulated penalties shall apply for violations of the
User's limits or failure to meet a milestone date under this Consent Order, or failure to
achieve full compliance with Consent Order.
Violation of limits
Failure to collected required samples, meet
compliance schedule deadlines, required reports,
or other milestone dates contained herein
Failure to achieve full compliance with Final
IUP limit at expiration of Order
$200 per day, per violation
$400 per day, per violation
$1,000 per day
pg. 2 Consent Order and Compliance Schedule, IUP 001, Town of Biscoe, June 9, 2020

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f, Once Compliance Is achieved, this Consent Order shall terminate and all obligations
hereunder except any obligation to pay identified moneys to the Town shall expire. Upon
termination of this Order, the User shall be subject to all terms of the Permit.
g. In the performance of activities under this Consent Order, User must otherwise follow the
procedures, rules, regulations, ordinances, and statutes of the Town, State, and Federal
governments as they may apply to User. Nothing contained herein shall be construed as
a waiver thereof by the Town,
Signed on this 9h day of June 2020.
USER: Carolina Dairy,
//LLC.
P
TITLE: V i Opera.*on
TOWN:
BY:
TITLE:
Town of Biscoe
Director of Public Works
This Order expires December 25, 2020.
pg. 3
Consent Order and Compliance Schedule, IUP 001, Town of 13iscoe, June 9, 2020
3 of 3 6/8/2020, 10:51 AM

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North Carolina
County of Montgomery
In the matter of Town of Biscoe
Pretreatment Permit No. 001
held by Carolina Dairy, LLC
APPENDIX A TO CONSENT ORDER AND COMPLIANCE SCHEDULE:
REVISED COMPLIANCE SCHEDULE, NOVEMBER 2020
1. Pursuant to provisions of the Sewer User Ordinance of the Town of Biscoe, a Consent
Order was made effective the 9th day of June 2020, between Carolina Dairy, LLC.
(hereinafter the "User") and the Town of Biscoe (hereinafter the "Town").
2. User holds Town of Biscoe Pretreatment Permit No. 001 (hereinafter the "Permit", which
shall refer to User's existing permit and any subsequent renewals or modifications
thereof) for the operations of existing pretreatment units and discharges from said
treatment works into the Town's sewer system.
3. Following personnel changes, user has requested an extension to the final compliance
deadline to the existing compliance schedule in order to complete ongoing chemical trials
and upgrade appurtenances.
4. The Town hereby grants an extension to the compliance schedule as follows:
COMPLIANCE SCHEDULE
Activities
Original Deadline
Status
(i) The permittee shall submit a written report to the
Town of Biscoe within 60 days of the effective date of
this consent order detailing any changes or additions
to the current pretreatment process necessary to
achieve compliance with permit limitations, IUP, Part
1 Section F.
August 7, 2020
Completed
(ii) The permittee shall request an authorization to
construct from the Town of Biscoe for any and all
changes/additions proposed in item (i) above. If
required, submit necessary drawings and information
to obtain authorization.
September 15, 2020
Completed
(iii) Upon approval by the Town of Biscoe, the industry
shall complete additions and/or implement the
needed changes.
November 15, 2020
Chemical Changes
Implemented
(iv) Complete analysis of implemented changes,
including daily monitoring (on discharge days) from
November 30, 2020
Deadline extended to
January 31, 2021.
January 16th to January 301St, and make
Daily sampling dates
necessary modifications to optimize and obtain full
operational status.
changed accordingly,
(v) Achieve compliance with final (IUP) limits.
December 15, 2020
Deadline extended to
February 28, 2021
5. Expiration of compliance schedule is revised to March 15, 2021.
6. No additional changes are made to the original consent order; all fees, limits and
requirements remain applicable.
1 of 2 11/24/2020, 12:48 PM

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7. In the performance of activities under this Compliance Schedule, User must otherwise
follow the procedures, rules, regulations, ordinances, and statutes of the Town, State,
and Federal governments as they may apply to User. Nothing contained herein shall be
construed as a waiver thereof by the Town.
Signed on this 24th day of November 2020.
USER: Carolina Dairy, LLC.
BY:
TITLE:
TOWN: Town of Biscoe
BY: Sr-V6_ �i(,/(
TITLE: Director of Public Works
This Schedule expires March 15, 2021.
of 2 11/24/2020, 12:48 PM

7 In the performance of activities under this Compliance Schedule, User must otherwise
follow the procedures, rules, regulations, ordinances, and statutes of the Town, State,
and Federal governments as they may apply to User. Nothing contained herein shall be
construed as a waiver thereof by the Town.
Signed on this 24th day of November 2020.
USER: Carolina DairyLLC.
BY:
TITLE: l ©r 0
TOWN: Town of Biscoe
BY:
TITLE: Director of Public Works
This Schedule expires March 15, 2021.

Lisa Osthues
Pretreatment Consulting
[phone]
[e-mail]
May 2, 2020
Ms. Patrice Jordan
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
RE: Notices of Violations and Compliance Concerns
Dear Ms. Jordan,
Attached are three (3) Notices of Violation of Industrial User Permit #001 with the Town of
Biscoe for continuing violations of the wastewater pollutant loads permitted by the Town to
be discharged to the sewer system, and ultimately the Town's wastewater treatment plant.
We understand that the industry has made a significant investment in pretreatment
equipment in order to come into compliance with the permit limits. The milestones listed in
the original project specifications have not been met, however. Some of the data indicate
the process to be less in control than prior to the installation of the new equipment.
These violations have placed Carolina Dairy into Significant Non -Compliance, and the
continuing violations are quite serious. Please read each Notice of Violation carefully, paying
particular attention to the civil penalties issued, resampling timeframes and further
requirements going forward. The violations issued for March require a written response.
I have included some graphs of Carolina Dairy's data for 2019 and part of 2020 for the
pollutants, Biochemical Oxygen Demand (BOD), Total Suspended Solids (TSS), Oil and
Grease and also pH trends. Each graph has a conclusion below it. I am hoping the graphs
will provide you and your staff more insight into the extent of variation in sample values. I
have included the OGW specifications that were provided to the Town at the beginning of the
project on the graphs - these would be the values that should be able to be attained with
the equipment.

The Town representatives and I would like to discuss with you some ways that we may move
forward. In some cases, the Town will be able to assist Carolina Dairy by increasing a limit
(BOD and pH upper limit), but not in all cases. The Town is also limited in what it can accept
at its wastewater plant and remain compliant with its own state permit. Many of the
violations at Carolina Dairy appear to be the result of equipment failures or process control
issues, and I believe they may be remedied if addressed by the appropriate personnel.
The Town is required to follow its Enforcement Response Plan in handling violations of
industrial user permits. This plan has been approved by the state. Barring a return to
compliance with repeat sampling within 30 days, the next step in the enforcement process is
to place Carolina Dairy on a compliance schedule, which will have clear goals and
compliance deadlines in order to bring the industry into compliance.
I can be reached via email or phone at the contact information listed below. Ideally, given the
current pandemic, we would like to schedule a teleconference, rather than an in -person
meeting, to discuss this further. Prior to the teleconference, I will provide a proposed
compliance schedule. Please contact me at your earliest convenience in order to schedule
this meeting.
Thank you,
Lisa 0sthues
Pretreatment Consultant for the Town of Biscoe
[e-mail]
[phone]

Firefox
about:blan]
TOWN OF BISCOE, NC
INCORPORATED 1901
Pretreatment Program
NOT]CE OF VIOLATION
DATE: April 29, 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month, Februajy 2020
The following findings are made, and notice issued pursuant to the authority vested in
the Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's
Sewer Use Ordinance. This order is based upon findings of violation in the conditions of
the wastewater discharge permit number 001, issued to Carolina Dairy, Inc., 116 Industrial
Drive, Biscoe, NC 27209 on August 15, 2016 and modified on February 2, 2019.
1. The Towns of Biscoe is charged with construction, maintenance, and control of
the sewer system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers
a pretreatment program.
3, Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge
permit.
4. The discharge permit issued contains self -monitoring requirements and numerical
limits, concentration and/or mass -based, on the quantity of pollutants which may
be discharged.
5. Pollutant analysis revealed that, during the month of February 2020, the following
pollutants exceeded the permit limitations as summarized below:
Sample
Period
P07W/Self
Monitoring
Parameter
Monthly
Average
Limit
(mg/L)
Technical
Review
Criterion
(TRC)
Result
(mg/L)
Permit
Limit
Exceeded
TRC
Exceeded
Month of
February
2020
Self
130D, Mo.
Avg
325
455
582
Yes
Yes
Month of
February
2020
Self
TSS, Ma.
Avg
250
350
366
Yes
Yes
February
20-21,
2020
Self
TSS, Daily
Max
300
420
583
Yes
Yes
February
7, 2020
Self
pH, Daily
Max
6 to 9
NA
9.7
Yes
NA
February
21,2020
Self
Oil and
Grease
30
36
36
Yes
No
Therefore, based on the aforementioned findings, the industry is hereby served notice
that they were in violation of their industrial user permit issued by the Town of Biscoe for
the month of February 2020. Additionally, this is a repeat violation for the monthly BOD
average, and a return to compliance for January's violation has not been demonstrated
per the Enforcement Response Plan requirement.
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] FAX [phone]
W W W . TO W NOFBISCOE. COM
1 of2
4/30/2020, 3:59 PM

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The industry Is directed to take all necessary steps to come into compliance with the
Industrial User Permit.
• Resampling within 30 days and a return to compliance is required per the Town's
Enforcement Response Plan.
• Carolina Dairy Is hereby assessed a civil penalty of $100.00 per violation, for a
total of $500.00. Please refer to attached Invoice for payment information.
,L4na24
Stewart, Superintendent Public Works
1+-30 -a0Ro
Date
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] FAX [phone]
W W W.TO W NOFBISCOE.COM
2 of 2 4/30/2020, 3:59 PM

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TOWN OF BISCOE, NC
INCORPORATED 1901
NOTICE OF VIOLATION
DATE: April 29, 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month, March 2020
Pretreatment Program
The following findings are made, and notice issued pursuant to the authority vested in
the Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's
Sewer Use Ordinance. This order is based upon findings of violation in the conditions of
the wastewater discharge permit number 001, issued to Carolina Dairy, Inc., 1 T6 Industrial
Drive, Biscoe, NC 27209 on August 15, 2016 and modified on February 2, 2019.
1. The Towns of Biscoe is charged with construction, maintenance, and control of
the sewer system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers
a pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge
permit.
4. The discharge permit issued contains self -monitoring requirements and numerical
limits, concentration and/or mass -based, on the quantity of pollutants which may
be discharged.
5. Pollutant analysis revealed that, during the month of February 2020, the following
pollutants exceeded the permit limitations as summarized below:
Sample
Period
POTW/Self-
Monitoring
Parameter
Monthly
Average
Limit
(mg/L)
Technical
Review
Criterion
(TRC)
Result
(mg/L)
Permit
Limit
Exceeded
TRC
Exceeded
Month of
March
2020
Self
BOD, Mo.
Avg
325
455
639
Yes
Yes
Month of
March
2020
Self
TSS, Mo.
Avg
250
350
312
Yes
No
March 5-
6, 2020
Self
TSS, Daily
Max
300
420
528
Yes
Ycs
Therefore, based on the aforementioned findings, the industry is hereby served notice
that they were in violation of their industrial user permit issued by the Town of Biscoe for
the month of March 2020. Additionally, this is a repeat violation for the monthly BOD
average, monthly TSS average, and TSS daily maximum, and a retum to compliance for
the February 2020 violation has not been demonstrated per the Enforcement Response
Plan requirement. Additionally, the industry is now in significant non-compliance for
monthly BOD for the first half of 2020.
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 1 TELEPHONE [phone] FAX [phone]
W W W .TOW NOFBISCOE. COM
1 of 2 4/30/2020, 4:00 PM

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The industry is directed to take all necessary steps to come into compliance with the
Industrial User Permit.
• The industry Is required to inform the Town of the cause of the continued non-
compliance. Please provide a written response to the Superintendent of Public
Works for the Town of Biscoe within 15 days of receipt of this notice of violation.
• Resampling within 30 days and a return to compliance is required per the Town's
Enforcement Response Plan.
• Carolina Dairy is hereby assessed a civil penalty of $100.00 per violation, for a
total of $300,00. Please refer to attached Invoice for payment information.
• Further action by the Town will include an enforceable compliance schedule, the
dates and milestones of which will be determined and communicated to the
industry under separate cover.
sg- Li, so- ao20
Sam wart, Superintendent Public Works Date
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] I FAX [phone]
W W W.TOWNOFBISCOE.COM
2 of 2 4/30/2020, 4:00 PP

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TOWN OF BISCOE, NC
INCORPORATED 1901
NOTICE OF VIOLATION
DATE: April 29, 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month, January 2020
Pretreatment Program
The following findings are made, and notice issued pursuant to the authority vested in
the Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's
Sewer Use Ordinance. This order is based upon findings of violation in the conditions of
the wastewater discharge permit number 001, issued to Carolina Dairy, Inc., 116 Industrial
Drive, Biscoe, NC 27209 on August 15, 2016 and modified on February 2, 2019.
1. The Towns of Biscoe is charged with construction, maintenance, and control of
the sewer system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers
a pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge
permit.
4. The discharge permit issued contains self -monitoring requirements and numerical
limits, concentration and/or mass -based, on the quantity of pollutants which may
be discharged.
5. Pollutant analysis revealed that, during the month of January 2020, the quantity
of BOD for the monthly average exceeded the permit limitations as summarized
below.
Sample
Period
POTW/Self
Monitoring
Parameter
Monthly
Average
Limit
(mg/L)
Technical
Review
Criterion
{TRC)
Result
(mg/L)
Permit
Limit
Exceeded
TRC
Exceeded
Compliance
Period
Month
of
January
2020
Self
BDD,Mo.
Avg
325
455
486
Yes
Yes
1u2020
Therefore, based on the aforementioned findings, the industry is hereby served notice
that they were in violation of their industrial user permit issued by the Town of Biscoe for
the month of January 2020 for BOD.
The industry is directed to take all necessary steps to come into compliance with the
Industrial User Permit. Resampling within 30 days and a return to compliance is required
per the Town's Enforcement Response Plan. Note that additions or changes to
pretreatment require an Authorization to Construct from the POTW per the Industrial User
P if.
�G,
Sam Stewart, Superintendent Public Works
11—So— ate
Date
P.O, BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] I FAX [phone]
W W W .TOW NOFBISCOE. COM
1 of 1 4/30/2020, 3:59 PM

TOWN OF BISCOE, NC
INCORPORATED 1901
Town of Biscoe
P.O. Box 1228
Biscoe, NC 27209
Phone: [phone]
TO:
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
W"'
COMMENTS OR SPECIAL INSTRUCTIONS:
Please remit payment within 30 days of receipt.
QUANTITY
5
3
DESCRIPTION
Civil penalty assessment for IUP pollutant
exceedances of BOD, TSS, pH, Oil and Grease;
February 2020
Civil penalty assessment for IUP pollutant
exceedances of BOD, TSS; March 2020
Please make all checks payable to Town of Biscoe
Pretreatment Program
INVOICE
DATE: 5/03/19
PER
PARAMETER TOTAL
EXCEEDED
$100.00 $500.00
$100.00 $300.00
TOTAL DUE $800.00

•
harge Values and Permit Limits
1600
1400
1200
1000
OA
I: 800
0
0
600
400
200
0
CD BOD Mo. Avg.
Permit Limit
OGW Discharge Spec., Tess than
m rn rn rn m m m m rn rn CO 0 0 0
.-I a -I a -I a -I .-I .-I .-I .-I a-1 a-1 a-1 N N N
O 0 0 0 0 0 0 0 0 0 0 0 0 0
N N N N N N N N N N N N N N
\ \ \ \ \ \ \ \ \ \ \ \ \ \
.-I a -I ,--I a -I I-1 I-1 I-1 I-1 a-1 a-1 .-I .-I .-I .-I
N M \ in lip n CO00CO • 0 ▪ .-I N -I N m
a-1 a-1 -I
BOD averages for each month vary widely but are consistently
higher than permit limits as well as higher than OGW
pretreatment specifications. Results looked promising after
OGW equipment online at end of 2019, but values are climbing
again in 2020.

400
350
300
250
J
U0
E 200
1-
150
100
50
Carolina Dairy TSS Monthly Discharge Values and Permit
Limits
CD TSS Mo. Avg.
Permit Limit
OGW Discharge Spec., less than
Carolina Dairy TSS Daily Discharge Values and Permit
Limits
100
0 0
01 01 m m m at m m m m 0i o O o
eti eti eti eti eti eti eti eti e-I e-I eti N N N
0 0 0 0 0 0 0 0 0 0 0 0 0 0
N N N N N N N N (Ni N N N N N
\ \ \ \ \ \ \ \ \ \ \ \ \ \
a I a I a I a I a I a-1 e I e-1 a I a I e I a I e I a I
N M V in ▪ i.0 N ▪ 00 ▪ O1 • O , i N a\I N m
eti a- I e I
CD TSS Daily
Permit Limit
OGW Discharge Spec., Tess than
rn m m 01 01 01 01 m m 0I 0I 0 0 0 0
eti , 1 .-1 a-i a- I a- I a- I a-i .- 1 .- 1 .- 1 N N N N
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
N N N N N N N N N N N N N N N
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \
eti a —I a- I ey a-i ey eti eti eti eti ai a- I a- I ei a—1
N m .0 N l\O n 0a 000 0I 0 ai N —I-I N m V
a --I a-i a--1
TSS daily and monthly values vary widely. Many are over the
permit limit. Raising the permit limit to 300 mg/L may assist
industry with monthly average. Industry needs to identify
source of wide variation, however.

40
35
30
J
S ao 25
E
a
in
ns
L 20
W
c
m
= 15
0
10
0
Carolina Dairy Oil and Grease Daily Discharge Values and Permit
Limits _
Oil and Grease
Permit Limit
01 01 C71 rn C71 rn rn rn m 01 01 0 0 0 0
ai a -I ai ,-I ai I -I e-I ,-I '-I e- I 1-1 N N N N
O O 0 0 0 0 0 0 0 0 0 0 0 0 0
N N N N N N N N N N N N N N N
- \ - \ \ \ \ \ \ \ \ - \ - \
e-I e-I e-I e-I e-I I -I e-I I-1 1-1 - 1-1 - 1-1 - 1-1
N M cr N VD n W 011 0 I -II N a\I N M C
r1 a-1 .-1
Oil and Grease discharges are generally in control, and typically
do not violate permit limit. There are a few higher values, but
this is a tight range (5 to 30 mg/L). No limit change needed for
Oil and Grease at this time. Industry should investigate permit
exceedance in February 2020.

14
12
10
8
D
In
2
0.
6
4
2
0
Carolina Dairy pH Daily Discharge Values and Permit Limits
CD pH
Permit Limit Min
Permit Limit Max
,/7
m m 01 01 01 01 om om 01 rn rn 0 0 0 0
,--I e--I e--I e--I e--I .-1 .-I .--I .--I ,- I ,--I N N N C.
O O O 0 0 0 0 0 0 0 0 0 0 0 C
N N N N N N N N N N N N N eV \
\ .- \ \ \ \ \ \ \ \ \ \ .- \
,--I e--I e--I e--I e--I t-I '-I .--I ,I e- I ,--I ,--I e--I e--I
\ \ \ \ \ \ \ \ \ \ \ \ \ \
N CO Cr to l0 I", CO T 0 .--I N ,--I N CO C
,I e- I ,--I
pH values vary widely and have a high violation rate. Industry must determine
reason for variation and resolve. This may be contributing to variation in TSS
values (over DAF).
Town can increase upper limit to 11 to assist industry, but low pH values cannot
be accepted by POTW due to potential damage to sewers and to WWTP
process.

Lisa 0sthues
Pretreatment Consulting
[phone]
[e-mail]
June 4, 2020
Ms. Patrice Jordan
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
RE: Notices of Violations for April and May 2020
Dear Ms. Jordan,
Attached are two (2) Notices of Violation of Industrial User Permit #001 with the Town of Biscoe for
continuing violations of the wastewater pollutant loads permitted by the Town to be discharged to the
sewer system, and ultimately the Town's wastewater treatment plant.
Data supplied to the Town for April 2020 showed additional high BOD and TSS values. Data supplied
to the Town for May 2020 demonstrated progress with BOD and TSS values, but unfortunately a high
level of Oil and Grease was present in the discharge. As a result, civil penalties have been assessed
for the permit exceedances. Resampling within 30 days to demonstrate a return to compliance is
required by the Town's Enforcement Response Plan.
As we discussed in our teleconference last month, the Town is working with the state to determine an
appropriate compliance schedule for Carolina Dairy to provide time to work out any additional issues
with the new pretreatment system on site. We anticipate having this schedule to you in the second
week of June.
Should you have questions or concerns before receiving the schedule, I can be reached via email or
phone at the contact information listed below.
Thank you,
Lisa 0sthues
Pretreatment Consultant for the Town of Biscoe
[e-mail]
[phone]

Firefox about:blank
TOWN OF BISCOE, NC
INCORPORATED 1901
NOTICE OF VIOLATION
DATE: June 3 2020
JSSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month April 2020
Pretreatment Program
The following findings are made, and notice Issued pursuant to the authority vested In the
Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's Sewer Use
Ordinance. This order is based upon findings of violation in the conditions of the wastewater discharge
permit number 001, issued to Carolina Dairy, Inc., 116 Industrial Drive, Biscoe, NC 27209 on August 15,
2016 and modified on February 2, 2019.
1. The Town of Biscoe is charged with construction, maintenance, and control of the sewer
system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers a
pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge permit.
4, The discharge permit Issued contains self -monitoring requirements and numerical limits,
concentration and/or mass -based, on the quantity of pollutants which may be discharged.
5. Pollutant analysis revealed that, during the month of April 2020, the following pollutants
exceeded the permit limitations as summarized below:
Sample
Period
POTW/Self-
Monitoring
Parameter
Daily
Max
Limit
(mg/L)
Technical
Review
Criterion
(TRC)
Result
(mgfL)
Permit
Limit
Exceeded
TRC
Exceeded
Monlh of
April 2020
Self
BOD, Mo.
Avg
325
455
621
Yes
Yes
Month of
April 2020
Self
TSS, Mo.
Avg
250
350
252
Yes
No
Therefore, based on the aforementioned findings, the industry is hereby served notice that they were
in violation of their Industrial user permit Issued by the Town of Biscoe for the pollutant parameters of
BOD and TSS. The BOD violation also exceeds the technical review criterion (TRC) of 1.4 times the
maximum limit, The industry continues to be In Significant Non -Compliance for the first half of 2020 for
BOD and TSS.
The industry is directed to take all necessary steps to come into compliance with the Industrial User
Permit. Additionally:
• Resampling within 30 days and a return to compliance is required per the Town's Enforcement
Response Plan.
• Carolina Dairy is hereby assessed a civil penalty of $ 250.00 for the violations. Please refer to
attached invoice for payment information.
• Further action by the Town will include an enforceable compliance schedule, the dates and
milestones of which will be determined and communicated to the Industry under separate
cover.
Sam Stewart, Superintendent Public Works
June 3, 2020
Date
P.O. BOX 1228 1 BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] I FAX [phone]
W W W.TO W NOFBISCOE.COM
1 of 1 6/3/2020, 5:12 PM

Firefox about:blank
TOWN OF BISCOE, NC
INCORPORATED 1901
NOTICE OF VIOLATION
DATE: June 3 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001.
Compliance Month, May 2020
Pretreatment Program
The following findings are made, and notice issued pursuant to the authority vested In the
Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's Sewer Use
Ordinance, This order is based upon findings of violation in the conditions of the wastewater discharge
permit number 001, issued to Carolina Dairy, Inc., 116 Industrial Drive, Biscoe, NC 27209 on August 15,
2016 and modified on February 2, 2019.
1. The Town of Biscoe is charged with construction, maintenance, and control of the sewer
system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers a
pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was Issued a discharge permit,
4. The discharge permit Issued contains self -monitoring requirements and numerical limits,
concentration and/or mass -based, on the quantity of pollutants which may be discharged.
5. Pollutant analysis revealed that, during the month of May 2020, the following pollutants
exceeded the permit limitations as summarized below:
Sample
Period
POTW/Self
Monitoring
Parameter
Daily
Max
Limit
(rng/L)
Technical
Review
Criterion
(TRC)
Result
(mg/L)
Permit
Limit
Exceeded
TRC
Exceeded
May 8,
2020
Self
Oil and
Grease,
Daily Max.
30
36
42
Yes
Yea
Therefore, based on the aforementioned findings, the industry's hereby served notice that they were
in violation of their industrial user permit issued by the Town of Biscoe for the pollutant parameter of Oil
and Grease. This violation also exceeds the technical review criterion (TRC) of 1.2 times the maximum
limit.
The industry is directed to take all necessary steps to come into compliance with the Indushial User
Permit. Additionally:
• Resampling within 30 days and a return to compliance is required per the Town's Enforcement
Response Plan,
• Carolina Dairy Is hereby assessed a civil penalty of $150.00 for the TRC violation. Please refer to
attached Invoice for payment information.
• Further action by the Town will include an enforceable compliance schedule, the dates and
milestones of which will be determined and communicated to the industry under separate
cover.
June 3, 2020
Sam Stewart, Superintendent Public Works Date
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] FAX [phone]
W W W.TOWNOFBISCOE.COM
1 of 1 6/3/2020, 5:12 PM

TOWN OF BISCOE, NC
INCORPORATED 1901
Town of Biscoe
P.O. Box 1228
Biscoe, NC 27209
Phone: [phone]
TO:
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
COMMENTS OR SPECIAL INSTRUCTIONS:
Please remit payment within 30 days of receipt.
QUANTITY
1
1
1
DESCRIPTION
Civil penalty assessment for IUP TRC pollutant
exceedance of Oil and Grease; May 2020
Civil penalty assessment for IUP pollutant exceedance
of BOD; April 2020
Civil penalty assessment for IUP TRC pollutant
exceedance of TSS; April 2020
Please make all checks payable to Town of Biscoe
Pretreatment Program
INVOICE
PER
PARAMETER
EXCEEDED
$150.00
$100.00
DATE: 6/03/20
$150.00
TOTAL
$150.00
$100.00
$150.00
TOTAL DUE $400.00

Lisa 0sthues
Pretreatment Consulting
[phone]
[e-mail]
June 8, 2020
Ms. Patrice Jordan
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
RE: Notice of Violations for TSS, May 2020
Dear Ms. Jordan,
Attached is the Notice of Violation of Industrial User Permit #001 with the Town of Biscoe for
continuing violations of the wastewater pollutant loads permitted by the Town to be discharged to the
sewer system, and ultimately the Town's wastewater treatment plant.
Data supplied to the Town for May 28th, 2020 demonstrated an elevated Total Suspended Solids load
that was in violation of the permit as well as the Technical Review Criterion of 1.4 times the permit
limit. As a result, civil penalties have been assessed. Resampling within 30 days to demonstrate a
return to compliance is required by the Town's Enforcement Response Plan.
As we discussed in our teleconference last month, the Town is working with the state to determine an
appropriate compliance schedule for Carolina Dairy to provide time to work out any additional issues
with the new pretreatment system on site. We anticipate having this schedule to you in the second
week of June.
Should you have questions or concerns before receiving the schedule, I can be reached via email or
phone at the contact information listed below.
Thank you,
Lisa 0sth ues
Pretreatment Consultant for the Town of Biscoe
[e-mail]
[phone]

Firefox about:blank
TOWN OF BISCOE, NC
INCORPORATED 1901
NOTICE OF VIOLATION
DATE: June 8, 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month, May 2020
Pretreatment Program
The following findings are made, and notice issued pursuant to the authority vested in the
Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's Sewer Use
Ordinance. This order is based upon findings of violation in the conditions of the wastewater discharge
permit number 00], issued to Carolina Dairy, Inc., 116 Industrial Drive, Biscoe, NC 27209 on August 15,
2016 and modified on February 2, 2019.
1. The Town of Biscoe is charged with construction, maintenance, and control of the sewer
system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers a
pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge permit.
4. The discharge permit issued contains self -monitoring requirements and numerical limits,
concentration and/or mass -based, on the quantity of pollutants which may be discharged.
5. Pollutant analysis revealed that, during the month of May 2020, the following pollutants
exceeded the permit limitations as summarized below:
Sample
Period
POTW/Self-
Monitoring
Parameter
Daily
Max
Limit
(mg/L)
Technical
Review
Criterion
(TRC)
Result
(mg/L)
Permit
Limit
Exceeded
TRC
Exceeded
May 28,
2020
Self
T55, Daily
Max.
300
420
513
Yes
Yes
Therefore, based on the aforementioned findings, the industry is hereby served notice that they were
in violation of their industrial user permit issued by the Town of Biscoe for the pollutant parameter of
Total Suspended Solids. This violation also exceeds the technical review criterion (TRC) of 1.4 times the
maximum limit,
The industry is directed to take all necessary steps to come into compliance with the Industrial User
Permit. Additionally:
• Resampling within 30 days and a return to compliance is required per the Town's Enforcement
Response Plan.
• Carolina Dairy is hereby assessed a civil penalty of $250.00 for the escalated response to the
TRC violation. Please refer to attached invoice for payment information.
• Further action by the Town will include an enforceable compliance schedule, the dates and
milestones of which will be determined and communicated to the industry under separate
cover.
eSam�iSlewari. Suoeriinten Pub
lic Works
P.O. BOX 1228 1 BISCOE, NORTH CAROL.INA 27209 I TELEPHONE [phone] I FAX [phone]
W W W.TOWNOFBISCOE.COM
1 of 1 6/8/2020, 11:11 AM

TOWN OF BISCOE, NC
INCORPORATED 1901
Town of Biscoe
P.O. Box 1228
Biscoe, NC 27209
Phone: [phone]
TO:
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
V"'
COMMENTS OR SPECIAL INSTRUCTIONS:
Please remit payment within 30 days of receipt.
QUANTITY
1
DESCRIPTION
Pretreatment Program
INVOICE
DATE: 6/08/20
PER
PARAMETER
EXCEEDED
TOTAL
Civil penalty assessment for IUP TRC pollutant $250.00
exceedance of TSS; May 28, 2020
Please make all checks payable to Town of Biscoe
$250.00
TOTAL DUE $250.00

TOWN OF BISCOE, NC
INCORPORATED 1901
NC
NOTICE OF VIOLATION
DATE: June 20, 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month, June 2020
Pretreatment Program
The following findings are made, and notice issued pursuant to the authority vested in the
Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's Sewer Use
Ordinance. This order is based upon findings of violation in the conditions of the wastewater discharge
permit number 001, issued to Carolina Dairy, Inc., 116 Industrial Drive, Biscoe, NC 27209 on August 15,
2016 and modified on June 9, 2020.
1. The Town of Biscoe is charged with construction, maintenance, and control of the sewer
system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers a
pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge permit.
4. The discharge permit issued contains self -monitoring requirements and numerical limits,
concentration and/or mass -based, on the quantity of pollutants which may be discharged.
5. Pollutant analysis revealed that, during the month of June 2020, the following pollutants
exceeded the permit limitations as summarized below:
Sample Period
POTW/Self-
Monitoring
Parameter
Daily Max Limit
(mg/L)
Result
(mg/L)
Permit / Consent
Order Limit
Exceeded
June 12, 2020
Self
TSS, Daily
Max.
500
740
Yes
June 19, 2020
Self
Oil and
Grease
30
34
Yes
June 27, 2020
Self
BOD
800
1390
Yes
Therefore, based on the aforementioned findings, the industry is hereby served notice that they were
in violation of their industrial user permit and consent order issued by the Town of Biscoe. The
appropriate civil penalties apply per the June 9, 2020 consent order.
The industry is directed to take all necessary steps to come into compliance with the Industrial User
Permit and compliance schedule.
July 20, 2020
Sam Stewart, Superintendent Public Works Date
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 1 TELEPHONE [phone] I FAX [phone]
W W W .TO W NOFBISCOE.COM

TOWN OF BISCOE, NC
INCORPORATED 1901
Town of Biscoe
P.O. Box 1228
Biscoe, NC 27209
Phone: [phone]
TO:
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
V"'
COMMENTS OR SPECIAL INSTRUCTIONS:
Please remit payment within 30 days of receipt.
QUANTITY
3
DESCRIPTION
Civil penalty assessment for IUP and Consent Order
Exceedances of BOD, TSS, and Oil and Grease
Please make all checks payable to Town of Biscoe
Pretreatment Program
INVOICE
DATE: 7/20/20
PER
PARAMETER TOTAL
EXCEEDED
$200.00 $600.00
TOTAL DUE $600.00

Firefox about:blank
TOWN OF BISCOE, NC
INCORPORATED 1901
NOTICE OF VIOLATION
DATE: October 14, 2020
ISSUED TO: Carolina Dairy, Inc., IUP 001
Compliance Month, September 2020
Pretreatment Program
The following findings are made, and notice issued pursuant to the authority vested in the
Superintendent of Public Works for the Town of Biscoe, under Division 1 of the Town's Sewer Use
Ordinance. This order is based upon findings of violation in the conditions of the wastewater discharge
permit number 001, issued to Carolina Dairy, Inc., 116 Industrial Drive, Biscoe, NC 27209 on August 15,
2016 and modified on June 9, 2020.
1. The Town of Biscoe is charged with construction, maintenance, and control of the sewer
system and treatment works.
2. To protect the sewer system and treatment works, the Town of Biscoe administers a
pretreatment program.
3. Under this pretreatment program, Carolina Dairy, Inc. was issued a discharge permit.
4. The discharge permit issued contains self -monitoring requirements and numerical limits,
concentration and/or mass -based, on the quantity of pollutants which may be discharged.
5. Pollutant analysis revealed that, during the month of June 2020, the following pollutants
exceeded the permit limitations as summarized below:
Sample Pcriod
P01W/Self-
Monitoring
Parameter
Daily Max Limit
(mg/L)
Result
(mg/L)
Permit/
Consent Order
Limit Exceeded
September 11,
2020
Self
TSS, Daily
Max
500
687
Yes
September25,
2020
Self
BOD,Daily
Max
800
1500
Yes
September25,
2020
Self
TSS, Daily
Max
500
1990
Yes
Therefore, based on the aforementioned findings, the industry is hereby served notice that they were
in violation of their industrial user permit and consent order issued by the Town of Biscoe. The
appropriate civil penalties apply per the June 9, 2020 consent order.
The industry is directed to take all necessary steps to come into compliance with the Industrial User
Permit and compliance schedule.
October 14, 2020
Sam Stewart, Superintendent Public Works Date
P.O. BOX 1228 I BISCOE, NORTH CAROLINA 27209 I TELEPHONE [phone] I FAX [phone]
WWW.TOWNOFBISCOE.COM
1 of 1

TOWN OF BISCOE, NC
INCORPORATED 1901
Town of Biscoe
P.O. Box 1228
Biscoe, NC 27209
Phone: [phone]
TO:
Carolina Dairy
116 Industrial Park Drive
Biscoe, NC 27209
V"'
COMMENTS OR SPECIAL INSTRUCTIONS:
Please remit payment within 30 days of receipt.
QUANTITY
3
DESCRIPTION
Civil penalty assessment for IUP and Consent Order
Exceedances of BOD X1 and TSS X2
Please make all checks payable to Town of Biscoe
Pretreatment Program
INVOICE
DATE: 10/14/20
PER
PARAMETER TOTAL
EXCEEDED
$200.00 $600.00
TOTAL DUE $600.00

V,•
NC
Appendix B -Additional
Silver Monitoring by POTW

Meritech, Inc.
Environmental Laboratory
Laboratory Certification No. 165
Contact: Reid McAlister
Client: Biscoe
PO Box 1228
Biscoe, NC 27209
Report Date:
Date Sample Rcvd:
10/22/2020
10/13/2020
Meritech Work Order # 10132072
Parameters
Silver, total
Sample: Effluent Composite
Results Analysis Date Reporting Limit
<0.0005 mg/L 10/21/20 0.0005 mg/L
10/12-13/20
Method
EPA 200.8
I hereby certify that I have reviewed and approve these data.
)
Laboratory Representative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

Sample Location and/or ID #
N
0
H
1
Hand Delivery
Fed Ex
uPs
thod of
pment:
aim
obi
tilt)
y -
n
Reo,qui s cd by: -3 /' Date: Time: a ,
Relinquished by: Date: Time:
Relinquished by: '�1 �- Date: ,/ Time•
Are these results for regulatory purposes? Yes
Comments:
*** Dechlorination (<0.5 ppm) of Ammonia, Cyanide, Phenol and TKN samples must be done in the field prior to preservation. ***
r
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Receipt:
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Yes / No
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7

Meritech, Inc.
Environmental Laboratory
Laboratory Certification No. 165
Contact: Reid McAlister
Client: Biscoe
PO Box 1228
Biscoe, NC 27209
Report Date:
Date Sample Rcvd:
10/27/2020
10/20/2020
Meritech Work Order # 10202038
Parameters
Silver, total
Sample: Effluent Composite
Results Analysis Date
<0.0005 mg/L 10/26/20
Reporting Limit
0.0005 mg/L
10/13-14/20
Method
EPA 200.8
Meritech Work Order # 10202039
Parameters
Silver, total
Sample: Effluent Composite
Results Analysis Date
<0.0005 mg/L 10/26/20
Reporting Limit
0.0005 mg/L
10/19-20/20
Method
EPA 200.8
I hereby certify that I have reviewed and approve these data.
xrria&urrcoi&
Laboratory Representative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

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Meritech, Inc.
Environmental Laboratory
Laboratory Certification No. 165
Contact: Reid McAlister
Client: Biscoe
PO Box 1228
Biscoe, NC 27209
Report Date:
Date Sample Rcvd:
11/2/2020
10/27/2020
Meritech Work Order # 10272038
Parameters
Silver, total
Sample: Effluent Composite
Results Analysis Date
<0.0005 mg/L 10/30/20
Reporting Limit
0.0005 mg/L
10/22-23/20
Method
EPA 200.8
I hereby certify that I have reviewed and approve these data.
ct:& &flcniL
Laboratory Representative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

0
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